current

Returns the value of the current item in the list function.
Accepts
Returns
Syntax
current

In the following example, current represents the values in the original list: 1, 2, and 3. By adding 1 to each of those values, the result is a new list of numbers: 2, 3, and 4.

map([1, 2, 3], current + 1)
=
2, 3, 4 [2, 3, 4]